MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1ef036b61d724edf304d171e67d4bd3faf0d27abd5486ae0893843a5464ed9b. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry

AgentTesla

Vendor detections: 20

Intelligence 20 IOCs YARA 18 File information Comments

SHA256 hash:	f1ef036b61d724edf304d171e67d4bd3faf0d27abd5486ae0893843a5464ed9b
SHA3-384 hash:	30d3d33192d4c694cd3d0398c63627d14823e08829a909609bbb486a42f859261cacb3d5f5277a93eccafd6d6716cf7f
SHA1 hash:	4039ec85d1b8ab79275d0d1973a7ed2189430475
MD5 hash:	98ca5c0430d77e315958f9d9c1d1d11d
humanhash:	arkansas-glucose-india-india
File name:	17269488657208c14b3d2e524a5f5d4533e8fbcfd5ecc5887a4ddc7b2046b06e32970e2d28616.dat-decoded
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	242'688 bytes
First seen:	2024-09-21 20:01:07 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	3072:8S6yayKFhMvis4Kj62BIoR0Ea5t9H5aabLEJUb:8S6yayKF+vTDfIoR0Ea5t9E8LM
TLSH	T132340F037E88EB11E1A97E3782EF2C2413B2B0C71633D60F6F49AE9514516926D7E72D
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
Reporter	abuse_ch
Tags:	AgentTesla base64-decoded exe

abuse_ch

Malware dropped as base64 encoded payload

Intelligence

File Origin

# of uploads :

# of downloads :

407

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

199.exe

Verdict:

Malicious activity

Analysis date:

2024-09-20 06:29:15 UTC

Tags:

evasion smtp exfiltration stealer agenttesla

Link:

https://app.any.run/tasks/3328dc21-65f7-4fa2-98ee-ff4dea89b014

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

Win.Packed.Msilperseus-9956591-0

Win.Packed.Generic-10003641-0

Win.Packed.Generic-10011753-0

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66ef263cf129e67ada905117

Tags:

Discovery Infostealer Network Stealth Agent Tesla

Result

Verdict:

Malware

Maliciousness:

Verdict:

Malicious

Threat level:

10/10

Confidence:

89%

Tags:

agenttesla anti-vm azorult evasive fingerprint hacktool hook infostealer keylogger lolbin remote stealer vbnet

Link:

https://www.filescan.io/uploads/66ef263cd2758b8668bb211b/reports/8b955271-052c-4103-935e-81bb81ec65f4/overview

Verdict:

Malicious

Labled as:

Jalapeno.Generic

Link:

https://www.hybrid-analysis.com/sample/f1ef036b61d724edf304d171e67d4bd3faf0d27abd5486ae0893843a5464ed9b

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Malware family:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/f8340909-f6b8-4779-a907-45608ad11249

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1515169

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Check if machine is in data center or colocation facility

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Mail credentials (via file / registry access)

Yara detected AgentTesla

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f1ef036b61d724edf304d171e67d4bd3faf0d27abd5486ae0893843a5464ed9b

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/f1ef036b61d724edf304d171e67d4bd3faf0d27abd5486ae0893843a5464ed9b/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2024-06-05 13:21:24 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6hxqg23b24so34ye2fy6m7kl2p5pbut2xvkinlqisocduvde5wnq._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla credential_access discovery keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240921-yr4gfszhpb/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

System Location Discovery: System Language Discovery

Looks up external IP address via web service

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Credentials from Password Stores: Credentials from Web Browsers

AgentTesla

Verdict:

Malicious

Tags:

stealer agent_tesla

YARA:

Agenttesla_type2 AgentTeslaV3 AgentTeslaV5 Windows_Trojan_AgentTesla_ebf431a8 JPCERTCC_Agenttesla_Type2

Link:

https://app.threat.zone/submission/f80d1e59-b60d-4fba-81e9-1039e94a0a99

Unpacked files

SH256 hash:

f1ef036b61d724edf304d171e67d4bd3faf0d27abd5486ae0893843a5464ed9b

MD5 hash:

98ca5c0430d77e315958f9d9c1d1d11d

SHA1 hash:

4039ec85d1b8ab79275d0d1973a7ed2189430475

Detections:

AgentTesla

win_agent_tesla_g2

Agenttesla_type2

Link:

https://www.unpac.me/results/b4b8b680-8359-4c28-be2c-10b78b3c63d3/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f1ef036b61d7/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/f1ef036b61d724edf304d171e67d4bd3faf0d27abd5486ae0893843a5464ed9b

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:	AgentTeslaV3 Create hunting rule
Author:	ditekshen
Description:	AgentTeslaV3 infostealer payload

Rule name:	AgentTeslaV5 Create hunting rule
Author:	ClaudioWayne
Description:	AgentTeslaV5 infostealer payload

Rule name:	Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	DebuggerCheck__RemoteAPI Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	INDICATOR_EXE_Packed_GEN01 Create hunting rule
Author:	ditekSHen
Description:	Detect packed .NET executables. Mostly AgentTeslaV4.

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many email and collaboration clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many file transfer clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL Create hunting rule
Author:	ditekSHen
Description:	Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

Rule name:	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing Windows vault credential objects. Observed in infostealers

Rule name:	malware_Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	Windows_Trojan_AgentTesla_ebf431a8 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

7208c14b3d2e524a5f5d4533e8fbcfd5ecc5887a4ddc7b2046b06e32970e2d28

AgentTesla

exe f1ef036b61d724edf304d171e67d4bd3faf0d27abd5486ae0893843a5464ed9b

(this sample)

Dropped by

SHA256 7208c14b3d2e524a5f5d4533e8fbcfd5ecc5887a4ddc7b2046b06e32970e2d28

Dropped by

MD5 71829da2cb33505cb48e0b5598fb3cf6

URLhaus

https://urlhaus.abuse.ch/url/3185084/

Delivery method

Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

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